33. 220v Smart Dimmer - Part1. Connecting to Arduino + MQTT + OpenhHAB

Опубликовано: 08 Май 2026
на канале: Room31

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A triac dimmer is a very useful thing in a Smart Home. It can be used to control brightness of lighting, speed of electric motors, such as ventilation, and heating devices such as boilers, heaters, electric stoves, electric kettles, etc. In this video we will try to connect such a dimmer to a smart home.

🔶 In this video:
00:00 Begin
00:34 List of devices and sensors used
01:51 Arduino-dimmer wiring diagram
02:52 Dimmer 220v load test
05:42 Description of MQTT firmware for dimmer
09:18 OpenHAB settings
11:39 Normal dimmer mode
12:31 Ramp dimmer mode
13:23 Count dimmer mode
14:04 Led lamp and fan test
16:56 Setting up switches in Openhab and Arduino
19:44 Dimmer as solid-state relay
20:50 Conclusion

🔶 Devices from this video :
◽ 1 channel Dimmer: http://ali.pub/57w03h
◽ 2 channel Dimmer: http://ali.pub/57vvr5
◽ 4 channel Dimmer: http://ali.pub/57w04n
◽ Arduino nano: http://ali.pub/57vw21
◽ Ethernet shield: http://ali.pub/57vwfn
◽ Hex Spacers Screw Nut Stand-Off Kit (plastic): http://ali.pub/57vwu8
◽ Hex Spacers Screw Nut Stand-Off Kit (metal): http://ali.pub/57vwy4
◽ Pin connector: http://ali.pub/4n825f
◽ Prototyping board: http://ali.pub/51b6sd http://ali.pub/57vxlu
◽ USB charger: http://ali.pub/4n2a92
◽ Heat resistant mat: http://ali.pub/57vy4b
◽ Dimmable LED lamp: http://ali.pub/57vz2x
◽ Dimmable LED driver: http://ali.pub/57vzgc
◽ Exhaust fan: http://ali.pub/57vzv4
◽ Portable oscilloscope Hantek 2C42: http://ali.pub/57vxdh
◽ Soldering iron: http://ali.pub/51b9wr
◽ Solder: http://ali.pub/51b98g
◽ Flux: http://ali.pub/51b9yw

🔶 Useful links from this video:
◽ Archive with Openhab configuration files:
https://mega.nz/file/UzQXyC5S#SDHI9XH...
или
https://1drv.ms/u/s!AqKffkeFHbrQfJoTE...
◽ Arduino dimmer library: https://github.com/circuitar/Dimmer
◽ Bta16 datasheet: https://www.rcscomponents.kiev.ua/dat...

🔶 Support channel:
◽ Boosty: https://boosty.to/room31
◽ Patreon:   / room31
◽ Qiwi: qiwi.com/p/380637177047
◽ Webmoney: Z827673777569
◽ Bitcoin: 1zyPEmTNbXVZRbnyKXPYtmbTH3c5GHwB5
◽ Ethereum: 0xc91f6cf80e25de5c7932dcf3f76877581f4a5055

🔶 My other videos:
◽ 31. TVOC sensor for Smart Home. Sensirion SGP30 + OpenHAB:    • 31. Датчик TVOC для Умного Дома. Sensirion...
◽ 30. PM2.5 Plantower PMS7003 + OpenHAB:    • 30. Датчик пыли PM2.5 для Умного Дома. Pla...
◽ 29. CO2 sensor for Smart Home. MH-Z19b + OpenHAB:    • 29. Хороший датчик СО2 для Умного Дома. MH...
◽ 28. Temperature, humidity and pressure sensor for Smart Home. BME280 + OpenHAB:    • 28. Дешёвый датчик температуры, влажности ...
◽ 27. Preparation and firmware, controller based on ESPEasy:    • 27. Климатические датчики для Умного Дома ...
◽ 26. WLED 100 Effects Live:    • Video
◽ 25. WLED Firmware Overview: Interface and Settings:    • 25. Обзор крутой прошивки для светодиодных...
◽ 24. ESP8266 based LED controller for WS2812b strip. WLED Firmware + OpenHAB:    • 24. Зачем платить больше? Самодельный конт...
◽ 23. Sonoff MINI & BasicR3 OpenHAB integration:    • 23. Sonoff MINI, BasicR3 - интеграция в Op...
◽ 22. Firmware Sonoff MINI and BasicR3 by air.:    • 22. Прошивка Sonoff MINI и BasicR3 по возд...
◽ 21. Comparative review of Xiaomi humidifiers:    • 21. Сравнительный обзор умных увлажнителей...
◽ 20. OpenHAB syntax highlighting in Notepad++:    • 20. Неужели так проще программировать? Под...
◽ 19. OpenHAB Rules: Humidity Sensor + Relay:    • 19. Правила OpenHAB: Датчик влажности + Ре...
◽ 18. OpenHAB BasicUI Label and Value Colors:    • 18. Так восприятие текста на порядок лучше...
◽ 17. Firmware Sonoff S20 and Tonbux WL-DC01:    • 17. Прошивка WiFi розеток Sonoff S20 и Ton...
◽ 16. Smart Wall Lights Scenario. OpenHAB Rules:    • 16. Правила OpenHAB: Сценарий управления у...
◽ 15. Sonoff Basic firmware: Tasmota + MQTT + OpenHAB:    • 15. Прошивка Sonoff Basic: Tasmota + MQTT ...
◽ 14. Sonoff Touch Firmware: Tasmota & ESPurna + OpenHAB:    • 14. Прошивка Sonoff Touch: Tasmota & ESPur...
◽ 13. OpenHAB Chrome Extension:    • 13. Быстрый доступ к Умному Дому: Расширен...
◽ 12. DIY Smart wall lamp + Openhab:    • 12. Умный настенный светильник (бра) своим...
◽ 11. D.I.Y. Smart Home. Arduino + MQTT + OpenHAB:    • 11. Умный дом своими руками. Arduino + MQT...
◽ 10. Xiaomi Humidifiers + Openhab:    • 10. Добавляем увлажнители Xiaomi в альтерн...
◽ 9. Smart home and WiFi LED controllers for dummies. MagicHome + OpenHAB    • 9. WiFi LED контроллеры для чайников и Умн...
◽ 8. Connecting an air conditioner to a smart home. Gree Smart + OpenHAB:    • 8. Кондиционер для Умного Дома, проще прос...
◽ 7. Setting up OpenHAB connection to MQTT broker:    • 7. Умный Дом - Настройка подключения OpenH...
◽ 6. Installing MQTT broker on WINDOWS 10:    • 6. Установка MQTT broker (1.х.х версий) на...
◽ 5. Installing MQTT broker on Raspberry Pi:    • 5. Установка MQTT Broker на Raspberry Pi. ...
◽ 4. Installing openHAB 2 on Windows 10:    • 4. Сервер Умного Дома на обычном компьютер...
◽ 3. Installing openHAB 2 on Raspberry Pi 3:    • 3. Установка openHAB 2 на Raspberry Pi 3, ...

🔶 Music by:
◽ Unwritten Stories - Shade
◽ Joakim Karud - Vibe With Me
◽ MBB - Clouds
◽ T-Mass - Ignoring My Heart
◽ Markvard - Perfect Day
◽ Friendship - Declan DP
◽ Scandinavianz - Journey
◽ Jumping of the Porch - Broke In Summer

#AirQuality #OpenHAB #MQTT #Room31